body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
  color: #333;
}

header {
  background: #004466;
  color: #fff;
  padding: 20px 40px;
  text-align: center;
}

nav a {
  margin: 0 15px;
  color: #aeeaff;
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

section {
  padding: 20px 40px;
  background: #fff;
  margin: 10px auto;
  max-width: 800px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

footer {
  text-align: center;
  padding: 15px;
  background: #eee;
  margin-top: 20px;
}

.profile-pic {
  width: 150px;
  border-radius: 50%;
  margin-bottom: 10px;
}